Suggestions about casing fans

Hi guys. Can you give me some suggestions and infos about casing fans? I want to buy 120mm fans but i have no knowledge about casing fans. Which brand should i go for? What specification should I check before buying? Does every casing fan comes with a 3 pin to 4 pin connector? How much the cost can be? Please help me out here.

1. Anyone knows what different sizes of casing fans are available in Bangladesh? 2. We really need dust covers. Dust make a mess inside the casing as well as reduce longevity of precious components. Where to find dust covers?

1. Anyone knows what different sizes of casing fans are available in Bangladesh? 2. We really need dust covers. Dust make a mess inside the casing as well as reduce longevity of precious components. Where to find dust covers?

1. 80mm, 120mm, 140mm and 200mm.
2. If you use foamed dust covers (which are available in bd for 200-250/= each), it will cause air friction and will put hot air inside your case which is never good. I tried once and the experience was horrible. Try to buy the expensive ones from abroad like Silverston/Akasa/Rosewill etc.

What is your case? That is the biggest question for fans. Some case designs are designed in a way that you will have high temperatures regardless whether you put thousand fans in it.

Sickleflow is good but it is noisy since it is the cheapest. But it is good as intake fan since it has good airflow with high static pressure. Plus since it is sleeve bearing fan, the only way to lengthen its life is to use it in vertical position. Using it in horizontal position will shorten its life (horizontal for bottom intake or top exhaust). But your case might not even have horizontal mounts.

What is your case? That is the biggest question for fans. Some case designs are designed in a way that you will have high temperatures regardless whether you put thousand fans in it.

Sickleflow is good but it is noisy since it is the cheapest. But it is good as intake fan since it has good airflow with high static pressure. Plus since it is sleeve bearing fan, the only way to lengthen its life is to use it in vertical position. Using it in horizontal position will shorten its life (horizontal for bottom intake or top exhaust). But your case might not even have horizontal mounts.

In BD, the very only option he has is the Tt Thunderblade apart from this one. Xtraflow/Jetflow both have very short cable length which makes them next to impossible to use as the chassis fan.

So, between Thunderblade and "Sickleflow (actually CM Silent fan series which are named as sickleflow in our country)" i prefer the second one. DALE!